Pithonella porosa
From dinoflaj3
"porosa" Pflaumann and Krasheninnikov, 1978, p.820, pl.2, figs.44a–b,5a–c,6a–b,7; pl.3, figs.1a–b,2a–b,3. Holotype: Pflaumann and Krasheninnikov, 1978, pl.2, figs.4a–b. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Albian–Cenomanian.
Parent: Pithonella
Infrataxon List: